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Search: id:A063037
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A063037 Numbers without 3 consecutive equal binary digits. +0
4
0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 18, 19, 20, 21, 22, 25, 26, 27, 36, 37, 38, 41, 42, 43, 44, 45, 50, 51, 52, 53, 54, 73, 74, 75, 76, 77, 82, 83, 84, 85, 86, 89, 90, 91, 100, 101, 102, 105, 106, 107, 108, 109, 146, 147, 148, 149, 150, 153, 154, 155, 164, 165, 166 (list; graph; listen)
OFFSET

1,3

COMMENT

Complement of A136037; intersection of A003796 and A003726. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 11 2007

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10000

EXAMPLE

The binary representation of 9 (1001) has no 3 consecutive equal digits.

CROSSREFS

Cf. A000975.

Sequence in context: A032878 A032845 A023776 this_sequence A136250 A134697 A032975

Adjacent sequences: A063034 A063035 A063036 this_sequence A063038 A063039 A063040

KEYWORD

easy,nonn

AUTHOR

Lior Manor (lior.manor(AT)gmail.com) Jul 05 2001

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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